body{
    width: 100%;
    height: auto;
}
header{
    width: 100%;
    height: 35em;
}
.logo>span,.menu>span,.loginspan{
    margin: 0.5em;
}
.user{
width: 100%;
height: 7em;
}
.recommended{
    width: 100%;
    height: 57em;
}
.show_title{
    width: 100%;
    height: 7em;
}
.show_title>span{
    position: relative;
    top: 1em;
    left: 4.3em;
    font-size: 2em;
    font-weight: bold;
    
}
.work_show{
    width: 100%;
    height: 50em;
}
.work_goods{
    width: 80%;
    height: 100%;
    margin: 0 auto;
    display: flex;
    flex-flow:row wrap;
    justify-content:start; 
}
.work_goods>div{
    width: 24%;
    height: 49%;
    margin-left: 0.7em;
    margin-top: 0.3em;
}
.show_photo{
    width: 100%;
    height: 80%;
}
.photo_name{
    position: relative;
    width: 100%;
    height: 20%;
    top:-0.7em;
    color: rgb(112,128,144)
}
.photo_name h4{
    position: relative;
    top: 1em;
    left: 0.5em;
    font-weight: bold;
}
.photo_name span{
    position: relative;
    top: 1em;
    left: 0.5em;
}
.show_photo:hover{
    -webkit-transform: scale(1.02);
    -ms-transform: scale(1.02);
    transform: scale(1.02);
}
.theme{
    width: 100%;
    height: 20em;
}
.theme_work{
    width: 80%;
    height: 60%;
    margin: 0 auto;
    display: flex;
    flex-flow:row wrap;
    justify-content:start;
}
.theme_work>div{
    width: 32.3%;
    height: 95%;
    margin-left: 0.7em;
    margin-top: 0.3em;
}
.theme_title{
    width: 100%;
    height: 5em;
}
.theme_title>span{
    position: relative;
    top: 1em;
    left: 4.3em;
    font-size: 2em;
    font-weight: bold;
}
.theme_work>div:nth-child(1){
    background-image: url("../image/theme1.png");
    background-repeat: no-repeat;
    background-size: 100% 100%;
}
.theme_work>div:nth-child(2){
    background-image: url("../image/theme2.jpg");
    background-repeat: no-repeat;
    background-size: 100% 100%;
}
.theme_work>div:nth-child(3){
    background-image: url("../image/theme3.png");
    background-repeat: no-repeat;
    background-size: 100% 100%;
}
.author{
    width: 100%;
    height: 20em;
}
.author_introduce{
    width: 80%;
    height: 60%;
    margin: 0 auto;
    display: flex;
    flex-flow:row wrap;
    justify-content:start;
}
.author_introduce>div{
    width: 32.3%;
    height: 95%;
    margin-left: 0.7em;
    margin-top: 0.3em;
    background-color: rgb(207,207,207,0.5);
}
.author_title{
    width: 100%;
    height: 5em;
}
.author_title>span{
    position: relative;
    top: 1em;
    left: 4.3em;
    font-size: 2em;
    font-weight: bold;
}
.head_portrait{
    width: 40%;
    height: 100%;
    border-radius: 12em;
    float: left;


}
.introduce{
    width: 60%;
    height: 100%;
    float: left;

}
.author_introduce>div:nth-child(1)>.head_portrait{
    background-image: url("../image/Headportrait1.jpg");
    background-repeat: no-repeat;
    background-size: 100% 100%;
}
.author_introduce>div:nth-child(2)>.head_portrait{
    background-image: url("../image/Headportrait2.png");
    background-repeat: no-repeat;
    background-size: 100% 100%;
}
.author_introduce>div:nth-child(3)>.head_portrait{
    background-image: url("../image/Headportrait3.jpg");
    background-repeat: no-repeat;
    background-size: 100% 100%;
}
.introduce_title{
    width: 100%;
    height: 40%;
}
.introduce_span{
    width: 100%;
    height: 60%;
}
.introduce_title>span{
    position: relative;
    top: 1em;
    color: #000000;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 1.5em;
    font-weight: bold;
}
.introduce_span>span{
    position: relative;
    top: 1.5em;
    font-weight: bold;
}
.pano_school{
    width: 100%;
    height: 50em;
}
.school{
    position: relative;
    top: 2.5em;
    width: 60%;
    height: 90%;
    float: left;
}
.author_conversation{
    position: relative;
    top: 2.5em;
    width: 40%;
    height: 90%;
    float: left;
    border-left: rgb(0,0,0,0.1) 1px solid;
}
.school_title{
    width: 100%;
    height: 5em;
}
.school_class{
    width: 100%;
    height: 40em;
}
.school_class>div{
    margin-bottom: 1em;
    position: relative;
    top: 0.5em;
    right: 1.2em;
    width: 80%;
    height: 30%;
    float: right;
}
.school_title>span{
    position: relative;
    top: 1em;
    left: 4.3em;
    font-size: 2em;
    font-weight: bold;
}
.school_photo{
    width: 35%;
    height: 100%;
    float: left;
}
.school_introduce{
    width: 64%;
    height: 100%;
    float: left;
    margin-left: 0.5em;
}
.school_class>div:nth-child(1)>.school_photo{
    background-image: url("../image/school (1).jpg");
    background-repeat: no-repeat;
    background-size: 100% 100%;
}
.school_class>div:nth-child(2)>.school_photo{
    background-image: url("../image/school (2).jpg");
    background-repeat: no-repeat;
    background-size: 100% 100%;
}
.school_class>div:nth-child(3)>.school_photo{
    background-image: url("../image/school (3).jpg");
    background-repeat: no-repeat;
    background-size: 100% 100%;
}
.school_introduce>p:nth-child(1){
    margin-top: -0.25em;
    margin-bottom: 1em;
    font-size: 1.5em;
    font-weight: bold;
}
.school_introduce>p:nth-child(2){
    font-size: 1em;
    font-weight: bold;
}
.conversation_title{
    width: 100%;
    height: 5em;
}
.conversation_class{
    width: 100%;
    height: 40em;
}
.conversation_class_cns{
    position: relative;
    left: 3em;
    width: 69%;
    height: 25%;
    background-image: url("../image/conversation (4).jpg");
    background-repeat: no-repeat;
    background-size: 100% 100%;
}
.conversation_classname{
    position: relative;
    left: 3em;
    width: 69%;
    height: 72%;
}
.conversation_classname>div{
    margin-bottom: 1em;
    position: relative;
    top: 0.5em;
    width: 100%;
    height: 30%;
}
.conversation_title>span{
    position: relative;
    top: 1em;
    left: 1em;
    font-size: 2em;
    font-weight: bold;
}
.conversation_classname>div:nth-child(1){
    background-image: url("../image/conversation (1).jpg");
    background-repeat: no-repeat;
    background-size: 100% 100%;
}
.conversation_classname>div:nth-child(2){
    background-image: url("../image/conversation (2).jpg");
    background-repeat: no-repeat;
    background-size: 100% 100%;
}
.conversation_classname>div:nth-child(3){
    background-image: url("../image/conversation (3).jpg");
    background-repeat: no-repeat;
    background-size: 100% 100%;
}
.author_introduce>div:hover{
    -webkit-transform: scale(1.02);
    -ms-transform: scale(1.02);
    transform: scale(1.02);
}
.theme_work>div:hover{
    -webkit-transform: scale(1.02);
    -ms-transform: scale(1.02);
    transform: scale(1.02);
}
.school_class>div:hover{
    -webkit-transform: scale(1.02);
    -ms-transform: scale(1.02);
    transform: scale(1.02);
}
.conversation_class_cns:hover{
    -webkit-transform: scale(1.02);
    -ms-transform: scale(1.02);
    transform: scale(1.02);
}
.conversation_classname>div:hover{
    -webkit-transform: scale(1.02);
    -ms-transform: scale(1.02);
    transform: scale(1.02);
}
